1342638 has 24 divisors (see below), whose sum is σ = 3173976. Its totient is φ = 406800.

The previous prime is 1342633. The next prime is 1342651. The reversal of 1342638 is 8362431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3193 + ... + 3588.

It is an arithmetic number, because the mean of its divisors is an integer number (132249).

2^1342638 is an apocalyptic number.

1342638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1342638 is an abundant number, since it is smaller than the sum of its proper divisors (1831338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1342638 is a wasteful number, since it uses less digits than its factorization.

1342638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800 (or 6797 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1342638 is about 1158.7225724909. The cubic root of 1342638 is about 110.3196761349.

It can be divided in two parts, 134 and 2638, that added together give a palindrome (2772).

The spelling of 1342638 in words is "one million, three hundred forty-two thousand, six hundred thirty-eight".